I suppose that's sort of what happens with the Pokemon I've forgotten, too.

[Though Chandelure has become relevant to him, and he still can't picture it in his mind. For once, though, Ingo doesn't feel like interrogating his memory.]

I am not sure I would have concluded that, anyhow. It's rather rare, isn't it...?

[Is that why he was so focused on looking like a Typhlosion? It must be, mustn't it? It must be something important - such an unusual trait probably would end up being so, one way or another, but that makes it very clear that it's important to Emmet.]